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Hanbury Brown-Twiss, Hong-Ou-Mandel, and other landmarks in quantum optics: from photons to atoms

Thursday April 12, 2018
3:30 pm

 Presenter:  Alain Aspect, Laboratoire Charles Fabry, Institut d’Optique Graduate School
 Series:  CQuIC Seminars
 Abstract:  The second quantum revolution is based on entanglement, discovered by Einstein and
Schrödinger in 1935. Its extraordinary character has been experimentally demonstrated
by landmark experiments in quantum optics.

At Institut d'Optique, we are currently revisiting these landmarks using atoms instead of photons, and after the observation of the atomic HBT [1] and HOM effects [2] , we are progressing towards a test of Bell's inequalities with pairs of momentum entangled atoms [3] .

1. T. Jeltes, J. M. McNamara, W. Hogervorst, W. Vassen, V. Krachmalnicoff, M. Schellekens,
A. Perrin, H. Chang, D. Boiron, A. Aspect, and C. I. Westbrook, "Comparison of the
Hanbury Brown-Twiss effect for bosons and fermions", Nature 445 (7126), 402-405

2. Lopes, R., Imanaliev, A., Aspect, A., Cheneau, M., Boiron, D., & Westbrook, C. I. (2015).
Atomic Hong-Ou- Mandel experiment. Nature, 520(7545), 66-68.

3. P. Dussarrat, M. Perrier, A. Imanaliev, R. Lopes, A. Aspect, M. Cheneau, D. Boiron, and
C. I. Westbrook, "Two-Particle Four-Mode Interferometer for Atoms," Physical Review
Letters 119 (17) (2017).
 Host:  Ivan Deutsch
 File:  https://youtu.be/SLz6c4utrSc
 Location:  Room 190, Physics & Astronomy

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